FAQ2 (frequently asked questions) about Maytech V2 remote contoller

FAQ2 (frequently asked questions) about Maytech V2 remote contoller

FAQ2 (frequently asked questions) about Maytech V2 remote contoller

1. What's the difference of MTSKR1905WF and MTSKR20WFV2? 

What's the difference of MTSKR1905WF and MTSKR20WFV2?

2. What is the modulation ? FHSS, FASST, DMRS ? Or the worse dangerous protocol in the EskbWorld, bluetooth...

The MTSKR1905WF and MTSKR20WFV2 remotes use FHSS (FSK/GFSK)

Frequency-hopping spread spectrum (FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many distinct frequencies occupying a large spectral band. The changes are controlled by a code known to both transmitter and receiver. FHSS is used to avoid interference, to prevent eavesdropping, and to enable code-devision multiple access (CDMA) communications.

The available frequency band is divided into smaller sub-bands. Signals rapidly change ("hop") their carrier frequencies among the center frequencies of these sub-bands in a predetermined order. Interference at a specific frequency will only affect the signal during a short interval.

FHSS offers three main advantages over a fixed-frequency transmission:

  • FHSS signals are highly resistant to narrowband interference because the signal hops to a different frequency band.
  • Signals are difficult to intercept if the frequency-hopping pattern is not known.
  • FHSS transmissions can share a frequency band with many types of conventional transmissions with minimal mutual interference. FHSS signals add minimal interference to narrowband communications, and vice versa.

3. Is there a second channel available where we can activate lights or aux devices? 

Yes, the remote has built-in 2 switches for lights, etc. 

Recommend to check blog  item 16 and 17 about how to use two switches: FAQ (frequently asked questions) about Maytech V2 remote contoller MTSKR1905WF

4. What is the TX/RX transmission power?

The TX/RX chip is 1mW. With the Maytech standard antenna, the power is 2mW. If customer change other antenna themselves, they need to calculate power accordingly.

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